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–Haveyouworkedoutthescheduleforourgraduationtrip? –Yes....

練習題3.29W

問題詳情:

–Haveyouworkedoutthescheduleforourgraduationtrip? –Yes....

– Have you worked out the schedule for our graduation trip?

  – Yes. I ________ on it for almost 4 hours. 

  A. was working      B. had worked                     C. worked             D. have been working

【回答】

C

知識點:一般過去時及其被動式

題型:選擇題

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